This section tests your knowledge of batteries, starters, and alternators.
The exam consists of roughly and requires a minimum score of 80% to pass . Most questions follow the "Tech A says / Tech B says" format, testing your ability to diagnose common automotive issues. 1. Braking Systems
Understanding sensors and fuel delivery is critical for the "Fix Finder" service provided at stores. autozone parts expert test answers fy25 pdf 2021
: Converts mechanical energy into electrical energy to charge the battery and power electronics.
: For customers seeking the quietest pads with the least dust, ceramic is the standard recommendation. This section tests your knowledge of batteries, starters,
: Both faulty brake hardware and sticking caliper slides can cause tapered or uneven pad wear.
: Its primary job is to convert electrical energy into mechanical energy to crank the engine. : For customers seeking the quietest pads with
: The most common cause of premature failure is unburned fuel entering the exhaust stream, often due to a rich fuel condition.
: When replacing pads, rotors should generally be resurfaced or replaced to ensure like-new performance. 2. Electrical and Charging Systems
: The Oxygen Sensor monitors exhaust oxygen levels, while the Knock Sensor detects pre-ignition vibrations to adjust timing. Practical Preparation and Tips